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https://issues.apache.org/jira/browse/SPARK-31586?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17094217#comment-17094217
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Ankit Raj Boudh commented on SPARK-31586:
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Hi Kent Yao, are you working on this issue ?, if not can i start working on
this issue.
> Replace expression TimeSub(l, r) with TimeAdd(l -r)
> ---------------------------------------------------
>
> Key: SPARK-31586
> URL: https://issues.apache.org/jira/browse/SPARK-31586
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Kent Yao
> Priority: Minor
>
> The implementation of TimeSub for the operation of timestamp subtracting
> interval is almost repetitive with TimeAdd. We can replace it with TimeAdd(l,
> -r) since there are equivalent.
> Suggestion from
> https://github.com/apache/spark/pull/28310#discussion_r414259239
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